Not all lifters are created equal. Comp's High Energy hydraulic lifters are produced with a longer piston than conventional lifters, and also feature a lightweight check valve disc that allows for quicker response, and added oil control at all engine speeds and loads. Use these Comp High Energy Hydraulic lifters with all of our Comp High Energy hydraulic cams, UNLESS the engine will see above 5000 RPM.
Comp's Pro Magnum premium hydraulic lifters are the recommended choice for all the Comp Hydraulic cams we sell above. These are mandatory for any type of racing use, or in any application in which the engine will see over 5000 RPM.
Along with the purchase of any Comp cam and lifters, we also strongly recommend using Comp's engine break in oil additive. This is it essential to make sure your cam and lifters are fully covered under Comp's warranty. It's a well known fact that, due to EPA regulations and other reasons, over the last few years oil manufacturers have removed the Zinc and other additives from their motor oil. If you try to break in a brand new cam and just add regular "off the shelf" motor oil from your local parts store, it is VERY likely you will have a failure. You must add this additive to the oil to replenish the zinc which is no longer included by the oil manufacturers. This works with synthetics, blended, and standard petroleum oils. In our own engines, we usually get a couple extra bottles to keep on the shelf and add one at every oil change. It's cheap insurance.
Comp Cams has taken great pains to develop what they feel to be the best line of lubricants available to protect your engine before startup and during break-in. Used by professional engine builders throughout the country, their cam and lifter lube is a red tacky oil which sticks to the surface and won't bleed off. This is ideal for engines which will sit for any amount of time between initial startup and when the cam and lifters were installed and lubed. This ensures your cam and lifters have full lubrication upon startup, preventing any galling or scuffing upon first contact. One 4oz bottle is enough to do one engine.
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